/* Copyright (C) 2006-2007  Egon Willighagen <egonw@users.sf.net>
 *
 * Contact: cdk-devel@lists.sourceforge.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * All we ask is that proper credit is given for our work, which includes
 * - but is not limited to - adding the above copyright notice to the beginning
 * of your source code files, and to any copyright notice that you may distribute
 * with programs based on this work.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT Any WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

namespace NCDK
{
    /// <summary>
    /// Classes implementing this interface must implement this method
    /// such that they react appropriately to changes in the object they
    /// are interested in.
    /// </summary>
    // @cdk.module interfaces
    public interface IChemObjectListener
    {
        /// <summary>
        /// Called by objects to notify objects that implemented this interface
        /// and registered with them as <see cref="IChemObjectListener"/>s.
        /// </summary>
        /// <param name="eventArgs">Event arguments</param>
        void OnStateChanged(ChemObjectChangeEventArgs eventArgs);
    }
}
